APA-viite (7. p.)
ebrary, Inc, & Noble, J. (2003). Check Point NG VPN-1/Firewall-1: Advanced configuration and troubleshooting. Syngress.
Chicago-viite (17. p.)
ebrary, Inc, ja Jim Noble. Check Point NG VPN-1/Firewall-1: Advanced Configuration and Troubleshooting. Rockland, Mass.: Syngress, 2003.
MLA-viite (9. p.)
ebrary, Inc, ja Jim Noble. Check Point NG VPN-1/Firewall-1: Advanced Configuration and Troubleshooting. Syngress, 2003.
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